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Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

EX • G/VS1 • IGI LG794631550

Shape and cutting style on the report: Princess cut

Certificate IGI LG794631550

Diamond specifications and retailer prices

From £157 GBP
As of November 4, 2026
Save £756 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £913 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794631550 or 794631550. Listed at 23 retailers as of November 4, 2026, with prices from £157 to £913, a £756 spread on the same certified stone. Reve Diamonds lists it at £913. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794631550
Dimensions6.17 × 6.16 × 4.50 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.17 mm6.16 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794631550
Side View
Table 68.0%Crown 41.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 73.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £357 GBP|Low: £156 GBP|High: £913 GBP|Avg: £473 GBP|+2.8%
Retailer 1
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Retailer 18
Reve Diamonds
November 5, 2026
Retailer 8£157 GBP
Retailer 12£176 GBP
Retailer 18£182 GBP
Retailer 5£195 GBP
Retailer 10£195 GBP
Retailer 6£336 GBP
Retailer 15£336 GBP
Retailer 1£357 GBP
Retailer 17£370 GBP
Retailer 4£384 GBP
Retailer 14£454 GBP
Retailer 13£536 GBP
Retailer 7£627 GBP
Retailer 9£666 GBP
Retailer 3£730 GBP
Retailer 2£778 GBP
Retailer 11£779 GBP
Retailer 16£795 GBP
Reve Diamonds£913 GBP

40 data points across 19 retailers

23 retailers£157 GBP to £913 GBP

A
Cheapest Retailer
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£157 GBP
A
Retailer 2
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£176 GBP
View
Final sale: no returns
A
Retailer 3
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£182 GBP
View
Retailer 4
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£191 GBP
View
Price last confirmed 44 days ago
A
Retailer 5
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£195 GBP
View
Retailer 6
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£195 GBP
View
Price last confirmed 11 days ago
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Retailer 7
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£336 GBP
View
A
Retailer 8
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£336 GBP
View
A
Retailer 9
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£354 GBP
View
A
Retailer 10
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£357 GBP
View
A
Retailer 11
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£370 GBP
View
B+
Retailer 12
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£384 GBP
View
B+
Retailer 13
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£454 GBP
View
B
Retailer 14
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£536 GBP
View
B
Retailer 15
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£627 GBP
View
B
Retailer 16
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£666 GBP
View
B
Retailer 17
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£730 GBP
View
B
Retailer 18
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£743 GBP
View
Retailer 19
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£748 GBP
View
Price last confirmed 36 days ago
Retailer 20
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£778 GBP
View
Price last confirmed 13 days ago
B
Retailer 21
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£779 GBP
View
B
Retailer 22
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£795 GBP
View
Most Expensive
B
Reve Diamonds
866961C98 · Nov 4
£913 GBP
$1,233 USD
View
22 more retailers have this diamond
Prices start from £157 GBPSave up to £756 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Princess
£157 GBP